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Tom Zanussi ac1adc55fc tracing/filters: add filter_mutex to protect filter predicates ... This patch adds a filter_mutex to prevent the filter predicates from being accessed concurrently by various external functions. It's based on a previous patch by Li Zefan: "[PATCH 7/7] tracing/filters: make filter preds RCU safe" v2 changes: - fixed wrong value returned in a add_subsystem_pred() failure case noticed by Li Zefan. [ Impact: fix trace filter corruption/crashes on parallel access ] Signed-off-by: Tom Zanussi <tzanussi@gmail.com> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Tested-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: paulmck@linux.vnet.ibm.com LKML-Reference: <1239946028.6639.13.camel@tropicana> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2009-04-17 18:28:27 +02:00
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Kconfig	Merge branch 'linus' into tracing/core	2009-04-14 00:02:22 +02:00
Makefile	tracing/events: move the ftrace event tracing code to core	2009-04-14 12:57:59 -04:00
blktrace.c	blktrace: fix context-info when mixed-using blk tracer and trace events	2009-04-16 10:11:01 +02:00
ftrace.c	ftrace: use module notifier for function tracer	2009-04-17 16:59:15 +02:00
kmemtrace.c	tracing/filters: use ring_buffer_discard_commit() in filter_check_discard()	2009-04-14 00:00:56 +02:00
ring_buffer.c	tracing/events/ring-buffer: expose format of ring buffer headers to users	2009-04-17 17:03:28 +02:00
trace.c	tracing: fix file mode of trace and README	2009-04-17 18:04:36 +02:00
trace.h	tracing/filters: add filter_mutex to protect filter predicates	2009-04-17 18:28:27 +02:00
trace_boot.c	tracing: use macros to denote usec and nsec per second	2009-04-07 14:43:06 +02:00
trace_branch.c	tracing/filters: use ring_buffer_discard_commit() in filter_check_discard()	2009-04-14 00:00:56 +02:00
trace_clock.c	tracing: fix four sparse warnings	2009-03-22 18:16:54 +01:00
trace_event_profile.c	tracing/events: convert event call sites to use a link list	2009-04-14 12:58:00 -04:00
trace_event_types.h	tracing/filters: add TRACE_EVENT_FORMAT_NOFILTER event macro	2009-04-14 00:00:51 +02:00
trace_events.c	tracing/filters: add filter_mutex to protect filter predicates	2009-04-17 18:28:27 +02:00
trace_events_filter.c	tracing/filters: add filter_mutex to protect filter predicates	2009-04-17 18:28:27 +02:00
trace_export.c	tracing/filters: allow on-the-fly filter switching	2009-04-14 00:03:55 +02:00
trace_functions.c	tracing/core: use appropriate waiting on trace_pipe	2009-02-18 01:40:20 +01:00
trace_functions_graph.c	function-graph: add option to calculate graph time or not	2009-03-24 23:41:11 -04:00
trace_hw_branches.c	tracing/filters: use ring_buffer_discard_commit() in filter_check_discard()	2009-04-14 00:00:56 +02:00
trace_irqsoff.c	tracing: have latency tracers set the latency format	2009-03-04 22:15:30 -05:00
trace_mmiotrace.c	tracing: use macros to denote usec and nsec per second	2009-04-07 14:43:06 +02:00
trace_nop.c	tracing/ftrace: make nop-tracer use polling wait for events on pipe	2009-03-23 09:22:15 +01:00
trace_output.c	tracing/events: add export symbols for trace events in modules	2009-04-14 12:58:01 -04:00
trace_output.h	tracing/events: move declarations from trace directory to core include	2009-04-14 12:57:58 -04:00
trace_power.c	tracing/filters: use ring_buffer_discard_commit() in filter_check_discard()	2009-04-14 00:00:56 +02:00
trace_printk.c	tracing/ftrace: factorize the tracing files creation	2009-04-07 14:43:07 +02:00
trace_sched_switch.c	tracing/events: move trace point headers into include/trace/events	2009-04-14 22:05:43 -04:00
trace_sched_wakeup.c	tracing/events: move trace point headers into include/trace/events	2009-04-14 22:05:43 -04:00
trace_selftest.c	tracing: keep the tracing buffer after self-test failure	2009-03-22 15:17:21 +01:00
trace_selftest_dynamic.c	ftrace: fix dynamic ftrace selftest	2008-05-23 21:13:23 +02:00
trace_stack.c	tracing/ftrace: factorize the tracing files creation	2009-04-07 14:43:07 +02:00
trace_stat.c	Merge branch 'linus' into tracing/core	2009-04-07 13:47:45 +02:00
trace_stat.h	tracing: add handler to trace_stat	2009-03-24 23:22:58 -04:00
trace_syscalls.c	tracing/syscalls: use a dedicated file header	2009-04-09 05:43:32 +02:00
trace_sysprof.c	tracing/ftrace: factorize the tracing files creation	2009-04-07 14:43:07 +02:00
trace_workqueue.c	Merge branch 'linus' into tracing/core	2009-04-07 13:47:45 +02:00